Rubramoena rubescens Picton & Brown, 1978

26 September, 2004.
Lephinchapel Reef, Loch Fyne on the west coast. 
Water temperature 13°. C at 14 metres.
The top image is of a 6mm long animal and the lower of another similar sized animal with spawn at the base of Halecium halecium hydroid on the rocky reef in the bay.
Olympus 5050 camera in PT-015 housing and Nikonos SB 105 slave flash.

for more information about this species go to one of the links below
nudibranchs of the british isles sea slug forum